boinc/clientgui/BOINCTaskCtrl.cpp

338 lines
10 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "BOINCTaskCtrl.h"
#endif
#include "stdwx.h"
#include "BOINCBaseView.h"
#include "BOINCTaskCtrl.h"
#include "MainDocument.h"
#define TASKPANEWIDTH ADJUSTFORXDPI(200)
#define TASKBUTTONWIDTH ADJUSTFORXDPI(TASKPANEWIDTH - 55)
IMPLEMENT_DYNAMIC_CLASS(CBOINCTaskCtrl, wxScrolledWindow)
#ifdef __WXMSW__
BEGIN_EVENT_TABLE (CBOINCTaskCtrl, CBOINCBaseView)
EVT_CHILD_FOCUS(CBOINCTaskCtrl::OnChildFocus)
END_EVENT_TABLE ()
#endif
CBOINCTaskCtrl::CBOINCTaskCtrl() {}
CBOINCTaskCtrl::CBOINCTaskCtrl(CBOINCBaseView* pView, wxWindowID iTaskWindowID, wxInt32 iTaskWindowFlags) :
wxScrolledWindow(pView, iTaskWindowID, wxDefaultPosition, wxSize(TASKPANEWIDTH, -1), iTaskWindowFlags)
{
m_pParent = pView;
m_pSizer = NULL;
SetVirtualSize( TASKPANEWIDTH, 1000 );
EnableScrolling(false, true);
SetScrollRate( 0, 10 );
}
CBOINCTaskCtrl::~CBOINCTaskCtrl() {}
wxInt32 CBOINCTaskCtrl::DeleteTaskGroupAndTasks( CTaskItemGroup* pGroup ) {
unsigned int i;
CTaskItem* pItem = NULL;
for (i=0; i < pGroup->m_Tasks.size(); i++) {
pItem = pGroup->m_Tasks[i];
DeleteTask(pGroup, pItem);
}
if (pGroup->m_pStaticBoxSizer) {
m_pSizer->Detach(pGroup->m_pStaticBoxSizer);
pGroup->m_pStaticBoxSizer->Detach(pGroup->m_pStaticBox);
delete pGroup->m_pStaticBox;
delete pGroup->m_pStaticBoxSizer;
pGroup->m_pStaticBox = NULL;
pGroup->m_pStaticBoxSizer = NULL;
}
return 0;
}
wxInt32 CBOINCTaskCtrl::DisableTaskGroupTasks( CTaskItemGroup* pGroup ) {
unsigned int i;
CTaskItem* pItem = NULL;
if (pGroup) {
for (i=0; i < pGroup->m_Tasks.size(); i++) {
pItem = pGroup->m_Tasks[i];
DisableTask(pItem);
}
}
return 0;
}
wxInt32 CBOINCTaskCtrl::EnableTaskGroupTasks( CTaskItemGroup* pGroup ) {
unsigned int i;
CTaskItem* pItem = NULL;
if (pGroup) {
for (i=0; i < pGroup->m_Tasks.size(); i++) {
pItem = pGroup->m_Tasks[i];
EnableTask(pItem);
}
}
return 0;
}
wxInt32 CBOINCTaskCtrl::DeleteTask( CTaskItemGroup* pGroup, CTaskItem* pItem ) {
if (pItem->m_pButton) {
pGroup->m_pStaticBoxSizer->Detach(pItem->m_pButton);
delete pItem->m_pButton;
pItem->m_pButton = NULL;
}
return 0;
}
wxInt32 CBOINCTaskCtrl::DisableTask( CTaskItem* pItem ) {
if (pItem->m_pButton) {
pItem->m_pButton->Disable();
}
return 0;
}
wxInt32 CBOINCTaskCtrl::EnableTask( CTaskItem* pItem ) {
if (pItem->m_pButton) {
pItem->m_pButton->Enable();
}
return 0;
}
wxInt32 CBOINCTaskCtrl::UpdateTask( CTaskItem* pItem, wxString strName, wxString strDescription ) {
if (pItem->m_pButton) {
if (!pItem->m_strName.Cmp(strName) &&
!pItem->m_strDescription.Cmp(strDescription)) {
return 0;
}
pItem->m_strName = strName;
pItem->m_strNameEllipsed = pItem->m_strName;
EllipseStringIfNeeded(pItem->m_strNameEllipsed);
pItem->m_strDescription = strDescription;
pItem->m_pButton->SetLabel( pItem->m_strNameEllipsed );
pItem->m_pButton->SetHelpText( strDescription );
#if wxUSE_TOOLTIPS
pItem->m_pButton->SetToolTip(pItem->m_strDescription);
#endif
}
return 0;
}
wxInt32 CBOINCTaskCtrl::UpdateControls() {
unsigned int i;
unsigned int j;
bool bCreateMainSizer = false;
int layoutChanged = 0;
CTaskItemGroup* pGroup = NULL;
CTaskItem* pItem = NULL;
bCreateMainSizer = !GetSizer();
if (bCreateMainSizer) {
SetAutoLayout(TRUE);
m_pSizer = new wxBoxSizer( wxVERTICAL );
m_pSizer->Add(5, 5, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5);
layoutChanged = 1;
}
// Create static boxes and sizers if they don't exist
for (i=0; i < m_pParent->m_TaskGroups.size(); i++) {
pGroup = m_pParent->m_TaskGroups[i];
if (!pGroup->m_pStaticBoxSizer) {
pGroup->m_pStaticBox = new wxStaticBox(this, wxID_ANY, pGroup->m_strName);
pGroup->m_pStaticBoxSizer = new wxStaticBoxSizer(pGroup->m_pStaticBox, wxVERTICAL);
m_pSizer->Add(pGroup->m_pStaticBoxSizer, 0, wxEXPAND|wxALL, 5);
layoutChanged = 1;
}
}
// Create buttons if they don't exist
for (i=0; i < m_pParent->m_TaskGroups.size(); i++) {
pGroup = m_pParent->m_TaskGroups[i];
for (j=0; j < pGroup->m_Tasks.size(); j++) {
pItem = pGroup->m_Tasks[j];
if (!pItem->m_pButton) {
pItem->m_pButton = new wxButton;
pItem->m_strNameEllipsed = pItem->m_strName;
EllipseStringIfNeeded(pItem->m_strNameEllipsed);
#ifdef __WXMSW__
// On Windows with wxWidgets 2.9.4, buttons don't refresh properly unless
// they are children of the wxStaticBox, but on Mac the layout is wrong
// unless the buttons are children of the parent of the wxStaticBox.
// ToDo: merge these cases when these bugs are fixed in wxWidgets.
pItem->m_pButton->Create(pGroup->m_pStaticBox, pItem->m_iEventID, pItem->m_strNameEllipsed, wxDefaultPosition, wxSize(TASKBUTTONWIDTH, -1), 0);
#else
pItem->m_pButton->Create(this, pItem->m_iEventID, pItem->m_strNameEllipsed, wxDefaultPosition, wxSize(TASKBUTTONWIDTH, -1), 0);
#endif
pItem->m_pButton->SetHelpText(pItem->m_strDescription);
#if wxUSE_TOOLTIPS
pItem->m_pButton->SetToolTip(pItem->m_strDescription);
#endif
pGroup->m_pStaticBoxSizer->Add(pItem->m_pButton, 0, wxEXPAND|wxALL, 5);
layoutChanged = 1;
}
}
}
if (bCreateMainSizer) {
SetSizer(m_pSizer);
}
// Force update layout and scrollbars, since nothing we do here
// necessarily generates a size event which would do it for us.
if (layoutChanged) {
Fit ();
}
return layoutChanged;
}
bool CBOINCTaskCtrl::OnSaveState(wxConfigBase* pConfig) {
wxString strBaseConfigLocation = wxEmptyString;
wxASSERT(pConfig);
// Retrieve the base location to store configuration information
// Should be in the following form: "/Projects/"
strBaseConfigLocation = pConfig->GetPath() + wxT("/");
pConfig->SetPath(strBaseConfigLocation + wxT("TaskCtrl/"));
//WriteCustomization(pConfig);
pConfig->SetPath(strBaseConfigLocation);
return true;
}
bool CBOINCTaskCtrl::OnRestoreState(wxConfigBase* pConfig) {
wxString strBaseConfigLocation = wxEmptyString;
wxASSERT(pConfig);
// Retrieve the base location to store configuration information
// Should be in the following form: "/Projects/"
strBaseConfigLocation = pConfig->GetPath() + wxT("/");
pConfig->SetPath(strBaseConfigLocation + wxT("TaskCtrl/"));
//ReadCustomization(pConfig);
pConfig->SetPath(strBaseConfigLocation);
return true;
}
#ifdef __WXMSW__
// Work around a problem on Windows where clicking on a button
// in the web sites Task Item Group sometimes causes the task
// control panel to scroll that button out of view but does not
// send the button clicked event. This is because the task
// control panel is the parent of the Task Item Group's
// wxStaticBox, which is the parent of the button; if we have
// scroll bars the Child Focus Event scrolls the task control
// panel to make the wxStaticBox fully visible. To prevent this,
// we intercept the Child Focus Event, scroll only enough to
// make the button visible if it is not already visible, and
// do not call event.Skip.
void CBOINCTaskCtrl::OnChildFocus(wxChildFocusEvent&) {
int stepx, stepy;
int startx, starty;
int diff = 0;
wxWindow* theButton = wxWindow::FindFocus();
if (!theButton) return;
// Get button position relative to Task Control's viewing area
wxRect buttonRect(
ScreenToClient(theButton->GetScreenPosition()), theButton->GetSize()
);
const wxRect viewRect(GetClientRect());
if (viewRect.Contains(buttonRect)){
return; // Already fully visible
}
GetScrollPixelsPerUnit(&stepx, &stepy);
GetViewStart(&startx, &starty);
if (buttonRect.GetTop() < 0) {
diff = buttonRect.GetTop();
} else if (buttonRect.GetBottom() > viewRect.GetHeight()) {
diff = buttonRect.GetBottom() - viewRect.GetHeight() + 1;
// round up to next scroll step if we can't get exact position,
// so that the button is fully visible
diff += stepy - 1;
}
starty = (starty * stepy + diff) / stepy;
Scroll(startx, starty);
}
#endif
void CBOINCTaskCtrl::EllipseStringIfNeeded(wxString& s) {
int w, h;
int maxWidth = TASKBUTTONWIDTH - 10;
GetTextExtent(s, &w, &h);
// Adapted from ellipis code in wxRendererGeneric::DrawHeaderButtonContents()
if (w > maxWidth) {
int ellipsisWidth;
GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
if (ellipsisWidth > maxWidth) {
s.Clear();
w = 0;
} else {
do {
s.Truncate( s.length() - 1 );
GetTextExtent( s, &w, &h);
} while (((w + ellipsisWidth) > maxWidth) && s.length() );
s.append( wxT("...") );
}
}
}